slovo | definícia |
counterbore (encz) | counterbore,válcové zahloubení Zdeněk Brož |
counterbore (encz) | counterbore,válcově zahloubit Zdeněk Brož |
Counterbore (gcide) | Counterbore \Coun"ter*bore`\ (-b?r`), n.
1. A flat-bottomed cylindrical enlargement of the mouth of a
hole, usually of slight depth, as for receiving a
cylindrical screw head.
[1913 Webster]
2. A kind of pin drill with the cutting edge or edges normal
to the axis; -- used for enlarging a hole, or for forming
a flat-bottomed recess at its mouth.
[1913 Webster] |
Counterbore (gcide) | Counterbore \Coun`ter*bore"\ (koun`t?r-b?r"), v. t.
To form a counterbore in, by boring, turning, or drilling; to
enlarge, as a hole, by means of a counterbore.
[1913 Webster] |
counterbore (wn) | counterbore
n 1: a bit for enlarging the upper part of a hole [syn:
counterbore, countersink, countersink bit] |
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